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由 sdong 提交于
Summary: Add printing of stall time in DB Stats: Sample outputs: ** DB Stats ** Uptime(secs): 53.2 total, 1.7 interval Cumulative writes: 625940 writes, 625939 keys, 625940 batches, 1.0 writes per batch, 0.49 GB user ingest, stall micros: 50691070 Cumulative WAL: 625940 writes, 625939 syncs, 1.00 writes per sync, 0.49 GB written Interval writes: 10859 writes, 10859 keys, 10859 batches, 1.0 writes per batch, 8.7 MB user ingest, stall micros: 1692319 Interval WAL: 10859 writes, 10859 syncs, 1.00 writes per sync, 0.01 MB written Test Plan: make all check verify printing using db_bench Reviewers: igor, yhchiang, rven, MarkCallaghan Reviewed By: MarkCallaghan Subscribers: leveldb, dhruba Differential Revision: https://reviews.facebook.net/D31239
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